noun
revised and enlarged; revised and supplemented
Used for books, dictionaries, or other publications that have been updated with new content and corrections. Often seen in titles or edition descriptions.
この辞書は増補改訂版です。
This dictionary is a revised and enlarged edition.
増補改訂を経て、内容がさらに充実した。
After revision and supplementation, the content became even more substantial.
Compound of 増補 (ぞうほ, 'supplement') and 改訂 (かいてい, 'revision').